#!/usr/bin/cmake
cmake_minimum_required (VERSION 3.18)

# -------------------------------------------------------------------------------------------------

project(
	STB
	VERSION 2022.09.08
	DESCRIPTION "Toolbox of single-header replacements for common libraries"
)

include("../../BuildSystem/cmake/cplusplus.cmake")

# -------------------------------------------------------------------------------------------------

if(NOT EXISTS ${PROJECT_SOURCE_DIR}/downloads/stb-2022-09-08.zip)
	message(STATUS "Downloading STB headers")
	file(
		DOWNLOAD https://github.com/nothings/stb/archive/8b5f1f37b5b75829fc72d38e7b5d4bcbf8a26d55.zip
		${PROJECT_SOURCE_DIR}/downloads/stb-2022-09-08.zip
		SHOW_PROGRESS
		EXPECTED_HASH SHA256=93a16ee3e866e719feec459f6f132cce932c5ec751eb38e3ec1975f911353d2e
		STATUS DOWNLOAD_STATUS
	)
	if(NOT DOWNLOAD_STATUS EQUAL 0)
		file(REMOVE ${PROJECT_SOURCE_DIR}/downloads/stb-2022-09-08.zip)
		message(FATAL_ERROR "Download failed, stopping build (error ${DOWNLOAD_STATUS})")
	endif()
endif()

# -------------------------------------------------------------------------------------------------

if(NOT EXISTS ${PROJECT_SOURCE_DIR}/build)
	message(STATUS "Extracting STB sources")
	file(
		ARCHIVE_EXTRACT
		INPUT ${PROJECT_SOURCE_DIR}/downloads/stb-2022-09-08.zip
		DESTINATION ${CMAKE_BINARY_DIR}/extract
	)
	file(
		RENAME
		${CMAKE_BINARY_DIR}/extract/stb-8b5f1f37b5b75829fc72d38e7b5d4bcbf8a26d55
		${PROJECT_SOURCE_DIR}/build
	)
endif()

# -------------------------------------------------------------------------------------------------

set(
	headerFiles
	"build/stb_connected_components.h"
	"build/stb_c_lexer.h"
	"build/stb_divide.h"
	"build/stb_ds.h"
	"build/stb_dxt.h"
	"build/stb_easy_font.h"
	"build/stb_herringbone_wang_tile.h"
	"build/stb_hexwave.h"
	"build/stb_image.h"
	"build/stb_image_resize.h"
	"build/stb_image_write.h"
	"build/stb_include.h"
	"build/stb_leakcheck.h"
	"build/stb_perlin.h"
	"build/stb_rect_pack.h"
	"build/stb_sprintf.h"
	"build/stb_textedit.h"
	"build/stb_tilemap_editor.h"
	"build/stb_truetype.h"
	"build/stb_voxel_render.h"
)

# -------------------------------------------------------------------------------------------------

add_library(STB INTERFACE)
add_library(STB::Static ALIAS STB)

target_include_directories(
	STB
	INTERFACE "build/"
)